City of Straits, Motor City, Big D, Motor Capital of the World, Motown, Fordtown, Automobile City.
Examples of usage:
Was in Detroit last week. - "Epistles-from-Pap-Letters-from-the-man-known-as-The-Will-Rogers-of-Indiana", Durham, Andrew Everett.
The great paper at that time was the Detroit Free Press. - "Edison, His Life and Inventions", Frank Lewis Dyer and Thomas Commerford Martin.
Well, Frank Shirley, late of Detroit, you may be my cousin, but you are not my friend. - "Lost in the CaÃ±on", Alfred R. Calhoun.
detract, detrita, detritus, detracts.